4=|z+2|

Lösung

4 = ∣ z + 2 ∣

z = - 6 or z = 2

Schritte zur Lösung

4 = ∣ z + 2 ∣

Tausche die Seiten

∣ z + 2 ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

z + 2 = - 4 or z + 2 = 4

z + 2 = - 4 or z + 2 = 4

z = - 6 or z = 2

∣ 10 x + 8 ∣ = 108

∣ a - 3 ∣ = 0

∣ a - 3 ∣ = 5

∣ 7 m + 2 ∣ = 5

7 ∣ 9 - x ∣ + 5 = 40